No. 20
R051 - Leonid Borodatow Problem Paradise, No. 20
9+8. Mate in 4 moves. a) Diagram b) -Ph5
[8/5p2/8/1P5p/7P/5PRP/2PKPppp/3Q1bkr]
R052 - Thierry le Gleuher Problem Paradise, No. 20
5+9. SHC#12
[8/3p1p2/8/5ppp/5pPk/5p1P/P4P1K/6n1]
R053 - Paul Raican Problem Paradise, No. 20
1+0. (Rex Multiplex) Add white KKKBBBSP, black KKKP for an illegal cluster
[8/8/8/8/8/8/8/5N2]
